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  1. Replies
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    Thanks Kurt for your reply, I'm proposing to...

    Thanks Kurt for your reply,

    I'm proposing to use a Teensy 3.2, but I have some 3.5's here as well if there is any benefit. I don't need to receive any data for this project.

    You mention that...
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    Large SPI Transfers on Teensy

    Hi. This is my first use of SPI on a Teensy (and Arduino).

    I will be burst transferring 1134 bytes approximately 60 times per second at 2.5MHz.

    I'm assuming that if I use SPI.transfer to send...
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    Hi, I'm also planning to use the OctoWS2811...

    Hi, I'm also planning to use the OctoWS2811 library with a separate SPI device attached. My device simply needs MOSI and SCK, and doesn't require the MISO or a CS line. There is no return data.
    ...
  4. Hi, Thanks for the tips. Paul, I tried...

    Hi,

    Thanks for the tips. Paul, I tried compiling without USB support but that didn't resolve the problem. Are there ways to assess RAM consumption from the Arduino environment ? Functionally...
  5. Teensy 3.2 Code Doesn't Reliably Run on Teensy LC

    I recently designed a simple device based on a Teensy 3.2 that uses an OLED display via I2C. The software was based on the Adafruit SSD1306 and GFX library. The hardware interface to the OLED...
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    Thanks for the suggestion. We could do that, but...

    Thanks for the suggestion. We could do that, but it kind of defeats the purpose of what we are try to achieve, which is an accelerated PCB design for non-complex low-volume products. Often they are...
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    Castellated PCB Pads

    We are starting to use more Teensy's in low volume commercial products, as the saving in development time outweighs the component savings of placing a conventional MCU on the board and creating...
  8. Replies
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    Hi Luni. That is excellent, especially the...

    Hi Luni. That is excellent, especially the ability to reverse the motors by providing a negative speed. Is it possible yet to change the target position as well while the motors are moving?

    I'm...
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    Luni, I didn't initially realize that I could...

    Luni, I didn't initially realize that I could create multiple controllers that could operate motors independently of each other. My system is very different from a CNC application, and the motors...
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    I also agree this is a great library, and I can...

    I also agree this is a great library, and I can see that they commands that are exposed have been well thought out.

    In my case I am using it to position the azimuth and elevation of a tracking...
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    I'm running Arduino version 1.6.12 Is there a...

    I'm running Arduino version 1.6.12
    Is there a risk that by updating to 1.8.7 that any of my previous projects will not compile ?
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    Hi. I ereceive the same error: error:...

    Hi. I ereceive the same error:
    error: 'KINETISK_PIT_CHANNEL_t' does not name a type KINETISK_PIT_CHANNEL_t* channel = nullptr

    I'm running Teensy Installer Ver 1.31. I assume I need to update to...
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    Ah! Of course sin is a reserved word...

    Ah! Of course sin is a reserved word (sin/cos/tan). So I changed that string name to InputString and declared it outside of the main loop.

    Unfortunately that didn't fix the problem. No data or...
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    Yes, the TeensySdioDemo.ino sketch does work.

    Yes, the TeensySdioDemo.ino sketch does work.
  15. Replies
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    I've posted an example below using SdFat and the...

    I've posted an example below using SdFat and the SdFatSdioEX mode which I understand is the fastest mode on the Teensy using the 4 bit parallel interface.

    I've assume I can ignore the need to...
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    Reference for using SD Card on Teensy 3.5

    I'm about to use the onboard SD card on a Teensy 3.5 for the first time.

    Is there a definitive reference for this anywhere for both sample code and which libraries to use?

    I have found...
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    Thanks. Didn't even know that extension existed !

    Thanks. Didn't even know that extension existed !
  18. Replies
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    This seems to be a common requirement for many...

    This seems to be a common requirement for many users. We're a commercial business, and hate modifying libraries, as history shows that when you transfer the project to another PC, and the programmer...
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    Thanks Paul, We continued the development on...

    Thanks Paul,

    We continued the development on the project, ignoring the issue and stayed connected to the USB. The problem still existed when we disconnected the USB. After quite a bit of further...
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    Serial Output Buffer Size

    Is Teensyduino serial port output buffer limited to 64 bytes as with standard Arduino?

    I would like to have an output buffer size of several hundred bytes, so that I can write some periodic large...
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    no... just checked.

    no... just checked.
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    Teensy Not Starting Without USB Monitor

    Hi, I have just put together a small project using Teensy 3.2 with Arduino. The Teensy is powered by a 3.7V LiPo, and the PCB trace has been cut to remove the USB bus power.

    The problem is that...
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